<div ng-controller="modifyPassword" id="mdy">
    <div class="mdy">
        <h3>修改密码</h3>
        <input type="password" placeholder="旧密码" ng-model="oldPassword">
        <input type="password" placeholder="新密码" ng-model="newPassword1">
        <input type="password" placeholder="确认密码" ng-model="newPassword2">
        <button ng-click="mdyBtn();">修改</button>
    </div>
</div>